code: def get_database(
      self,
      name=None,
      codec_options=None,
      read_preference=None,
      write_concern=None,
  ):
      if name is None:
          return self.get_default_database()
  
      db = self._database_accesses.get(name)
      if db is None:
          db_store = self._store[name]
          db = self._database_accesses[name] = ReconnectingDatabase(
              max_calls_before_reconnect=self._max_calls_before_reconnect,
              max_calls_before_failure=self._max_calls_before_failure,
              exception_to_raise=self._exception_to_raise,
              client=self,
              name=name,
              read_preference=read_preference or self.read_preference,
              codec_options=self._codec_options,
              _store=db_store,
          )
      return db
  
imports: import mongomock
  import pymongo
  import pymongo.errors
label_desc: Use image node_id 2 for calling the ReconnectingMongoClient obj's underlying member method code with example usage: obj.get_database(name, codec_options, read_preference, write_concern) and returns: db, self